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Finding the Fourth Proportional to 187,807.85, 259,093.37 and 124,234.37

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Solution

The fourth proportional to 187,807.85, 259,093.37 and 124,234.37 is: 171,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,807.85 : 259,093.37 = 124,234.37 : x
  2. Step 2: Convert to fraction form
    187,807.85/259,093.37 = 124,234.37/x
  3. Step 3: Cross multiply
    187,807.85x = 259,093.37 × 124,234.37
  4. Step 4: Simplify right side
    187,807.85x = 32,188,300,608.25
  5. Step 5: Solve for x
    x = 32,188,300,608.25/187,807.85
  6. Step 6: Final answer
    x = 171,389.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.